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19952008
most citedTopological Classification of Gapped Spin Chains :Quantized Berry Phase as a Local Order Parameter

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cond-mat1995

Hidden Massive Spectators in the Effective Field Theory for Integral Quantum Hall Transitions

Yasuhiro Hatsugai, Mahito Kohmoto, Yong-Shi Wu

Integral quantum Hall plateau transitions in a planar lattice system due to gap collapse can be described by an effective field theory with Dirac fermions. We discuss how to reprod…